Hi Charles,
I am not sure I understand your post clearly. You want to access a
telephone-modem using the GSM line of the OpenMoko (not an ADSL modem)?
I am not an expert on this technology but I believe that is not possible.
Modem's are designed to work over analog lines. They also work on
digital lines which use about 8KHz mu-law or A-law encoded samples.
That's a standard digital telephone line with bandwith of 64KBit/s . GSM
is completely different. GSM uses a lossy compression algorithm for
encoding voice so it uses 13KBit/s (or even less when there are bad
signal conditions). The GSM codec is optimized for human voice not for
music or modulated signs of a modem. That makes a GSM line totally
unusable for a modem connection. The bandwidth of the GSM connection can
be used directly to transfer digital data but that is another technology
that has no connection with analog modem's.
Regards
Schmidt András
Charles Edward Pax wrote:
Hi, all. This is my first post, but I've been trying to follow
neo/openmoko development for a while. I have a few questions
Has anyone used gotten dasher running on OpenMoko?
Is it possible to use a mobile phone to dial in to a dialup number
I can use with a regular modem? My university has free dialup access
and my mobile phone operator gives me unlimited minutes on evenings
and weekends. I don't want to spend the extra money on a data plan,
but I would like to have internet access on the go. I've tried to set
this up with the phone I currently have, but it doesn't work.
I suspect that it could be some sort of locked feature. I would purchase
a new phone if it meant this would work. My ideal situation is to
connect my powerbook to my mobile phone via bluetooth and connect my
phone to my university via a regular dialup number. Any information
would be greatly appreciated. Thanks.
-Charles Edward Pax
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